01: // This file is part of KeY - Integrated Deductive Software Design
02: // Copyright (C) 2001-2007 Universitaet Karlsruhe, Germany
03: // Universitaet Koblenz-Landau, Germany
04: // Chalmers University of Technology, Sweden
05: //
06: // The KeY system is protected by the GNU General Public License.
07: // See LICENSE.TXT for details.
08: //
09: //
10:
11: package de.uka.ilkd.key.proof;
12:
13: import de.uka.ilkd.key.logic.PosInOccurrence;
14: import de.uka.ilkd.key.rule.RuleApp;
15:
16: /**
17: * Implementation of the NewRuleListener interface
18: * that does nothing
19: */
20: public class NullNewRuleListener implements NewRuleListener {
21:
22: public void ruleAdded(RuleApp rule, PosInOccurrence pos) {
23: }
24:
25: public static final NewRuleListener INSTANCE = new NullNewRuleListener();
26:
27: }
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